Aspects include receiving a query at a data engine. The data engine includes data in a protected format stored in a secured database and a copy of the data in a clear format stored in a secured database replica. The query is received from a requestor. The query is processed at the secured database replica to generate a query response in the clear format. The query response is converted into the protected format. The converted query response in the protected format is provided to the requestor.
Legal claims defining the scope of protection, as filed with the USPTO.
2. The method of claim 1, wherein the query is characterized as being the second type of query.
5. The method of claim 3, wherein the input data in unencrypted format is received from a client application.
7. The method of claim 1, wherein the secured database and the secured database replica are relational databases.
8. The method of claim 7, wherein contents of only a subset of columns in a row of the secured database are in the encrypted format.
9. The method of claim 1, wherein the determining, based on a type of the query and based on at least one of the quality of service (QOS) targets, and on reliability, availability and serviceability (RAS) requirements associated with the query, that the query should be processed by the secured database replica is further based on an amount of current usage of the two databases.
10. The method of claim 9, wherein the determining, based on the type of query and based on at least one of the quality of service (QOS) targets, and on reliability, availability and serviceability (RAS) requirements associated with the query is based on the type of query and based on each of the quality of service (QOS) targets, and on reliability, availability and serviceability (RAS) requirements associated with the query.
12. The system of claim 11, wherein the query is characterized as being a first type of query, and the secured database replica is tuned to optimize performance of one or more types of queries including the first type of query.
15. The system of claim 13, wherein the input data in unencrypted format is received from a client application.
17. The system of claim 11, wherein the secured database and the secured database replica are relational databases.
18. The system of claim 17, wherein contents of only a subset of columns in a row of the secured database are in the encrypted format.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
August 18, 2020
August 6, 2024
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